Table 2

Characteristics of studies comparing LESS TEP with LAP TEP

CharacteristicSherwinter et al. (40)Tai et al. (45)Cugura et al. (22)
LAP TEPLESS TEPLAP TEPLESS TEPLAP TEPLESS TEP
No. of patients525222228554
Age, yr (range) or yr ± SD33.7 ± 11.337.5 ± 11.958.5 (17–79)55 (20–84)56.446.9
Surgical techniquePreperitoneal space formed with balloon 1 × 11 mm, 2 × 5 mm ports (through single incision for LESS TEP), mesh fixedPreperitoneal space formed with balloon 1 × 10 mm, 2 × 5 mm ports (through single incision via glove for LESS TEP), 30° camera and straight or curved instruments, mesh fixedPreperitoneal space formed with balloon 1 × 10 mm, 2 × 5 mm ports (through single incision for LESS TEP), 0/30° camera and straight instruments, mesh fixed in majority of cases
Duration of surgery; n, min ± SD
 Unilateral hernian = 39, 48.2 ± 10.8n = 43, 51.7 ± 15.1n = 19, 40 ± 21.6n = 15, 50 ± 14.2n = 18, 58.6 ± 23.4n = 11, 82.3 ± 39.3
 Bilateral herniasn = 13, 85.9 ± 8.2n = 9, 85.8 ± 16.5n = 3, 60 ± 15.3n = 7, 60 ± 24.8n = 67, 62.6 ± 26.7n = 43, 68.3 ± 18.3
Hospital stay, d ± SD0.19 ± 0.070.19 ± 0.062.0 ± 1.62.0 ± 1.31.7 ± 0.81.7 ± 1.5
Intraoperative complications, no.0000
Length of incision(s), cm (range)3.5 (2.5–4.5)2 (1.5–2.5)Umbilical incision: 1.5 cmUmbilical incision: 1.5 cm
Patient satisfaction, scale: 1–5 ± SD4.1 ± 0.83.9 ± 0.7
Pain,
 24 hr3.4 ± 1.73.6 ± 2.1
 1 wk1.57 ± 2.310.29 ± 0.66
Return to activity, d ± SD11.88 ± 6.0710.94 ± 5.73.8 ± 1.23.4 ± 1.5
Recurrence, no.0001 mesh displacement00
  • LAP = laparoscopic; LESS = laparoendoscopic single site; SD = standard deviation; TEP = totally extraperitoneal.